Erae Gamelan webapp Instructions

10 key Sundanese saron layout
This Webapp processes MIDI events from an Erae 2 and uses it to play sampled gamelan instruments and MIDI sound sources.

This is the ".erproj" Erae 2 project that goes with this webapp:

Gamelan Project:

The layouts in that project are:

1. Saron 14 key Gamelan instrument (closer to true range)
2. Saron 10 key Gamelan instrument (closer to true size)
3. Slenthem 6 key Gamelan instrument
4. Gangsa 4 key Gamelan instrument
5. 2 Gangsa 4 key Gamelan instruments

Or you can get the ".emk" layouts individually:

• Saron 14 keys (two rows)
• Saron 10 keys
• Gangsa 4 keys
• 2 Gangsas 4 keys each
• Slenthem 7 keys

The "2 gangsas" layout is arranged so two people can play at once on opposite sides of the Era, with the two gangsas having some ombok (slight beating due to tuning differences)

MIDI output

Connect this webapp's MIDI Input device to "Embodme: Erae 2 MIDI". This webapp plays samples, but if you want to also send notes to a MIDI synthesizer, you can do that by choosing a MIDI Output device. You can turn the sample's volume down and just play MIDI if you like. Make sure that the external MIDI device or virtual device is only listening to a generic port like "IAC Bus 1" and NOT to signals from the Erae directly.
After setting up the input device, load the layout you want on the Erae and tap the yellow button at the top of the screen to tell this processor what you are playing. Tapping it again will change the instrument associated with the layout, which you can also pick from a drop down menu. The Red button is an "all notes off" which is very useful.
Gamelan mallet instruments are played by striking a key while manually damping the previous one you hit! The Erae 2 makes this physically a very authentic experience, by letting you damp a key by pinching the bottom of the device, just as you would on a real instrument! I also swapped to the silicone covering and use a real wooden gamelan mallet to play the notes! It's weirdly authentic!
This webapp has a few other parameters:

• Volume that controls the sample volume
• Offset that controls how the instrument samples map onto the layout. Each instrument has a scale associated with it, and that scale has a repeat length, and there may be a few transposed versions of a scale available for that instrument. There are extra octaves for the gangsa, for example. The offset means if the instrument has more notes than the layout provides, you can adjust their positions to get as many notes as you can!

Slightly out of date Videos:

• First look
• Gangsa test
• Showing more features and layouts

Note: Try the Erae 2 autoharp webapp!
Credits:
This app is useless without an Embodme Erae 2
This app plays samples with the Howler javascript audio interface.